First one is 5/3
Second one is: 5
Third one is: 15
The Aztec Empire was considered as A. a small ,complex civilization.<span />
When a polygon is regular, that means that all of its sides are the same length and all of its angles are the same. A heptagon has seven sides and you know that all of them measure 3 inches. You can find the perimeter by adding all of the side measures together, so 3 + 3 + 3 + 3 + 3 + 3 + 3, or 3 x 7. So, the perimeter of the heptagon is 21 inches.
Answer:ig so
Step-by-step explanation:34+10+100=144
12x12=144 same thing